Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chau tinh » cuu tinh, ha tinh, cua tinh
tranh va » tranh van, trinh va, thanh va
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan lap » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) or (may tinh)) - canh ((tranh va) OR (trang va)) thong cong tan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (may tinh)) - canh ((tranh va) OR (trang va)) thong cong tan phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (may tinh)) - canh ((tranh va) OR (trang va)) thong cong tan phan lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (may tinh)) - canh ((tranh va) OR (trang va)) thong cong tan phan lap*.